African Plate: structure, motion, and geological significance African plate Comprehensive overview of the African Plate: extent, internal subdivisions, boundaries, rifting (East African Rift, Red Sea), motion, geological history from Gondwana, hazards, and…
Continental drift Continental drift is the hypothesis that Earth's continents move slowly across its surface; it laid the foundation for the modern theory of plate tectonics and explains the distrib…
Gondwana: the southern supercontinent and its legacy Gondwana Gondwana (Gondwanaland) was the great southern supercontinent that formed from Pangaea and later fragmented into the continents of the southern hemisphere and nearby landmasses.
Great Rift Valley (East African Rift) Great Rift Valley A long continental rift system from Southwest Asia into eastern Africa formed by plate divergence, noted for deep valleys, volcanoes, rift lakes, rich biodiversity and key paleoant…
Rock cycle: how Earth's rocks form, change, and interact Rock cycle Overview of the rock cycle: the processes that transform igneous, sedimentary and metamorphic rocks; main mechanisms, environments, timescales, and why the cycle matters for landsc…
